EP1318381A2 - Procédé et dispositif d'interface pour un GPS, autre équipement de navigation et un réseau sans fil employant un réseau de données numériques - Google Patents
Procédé et dispositif d'interface pour un GPS, autre équipement de navigation et un réseau sans fil employant un réseau de données numériques Download PDFInfo
- Publication number
- EP1318381A2 EP1318381A2 EP02258445A EP02258445A EP1318381A2 EP 1318381 A2 EP1318381 A2 EP 1318381A2 EP 02258445 A EP02258445 A EP 02258445A EP 02258445 A EP02258445 A EP 02258445A EP 1318381 A2 EP1318381 A2 EP 1318381A2
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- EP
- European Patent Office
- Prior art keywords
- network
- data
- vehicle
- digital data
- wireless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/53—Determining attitude
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/28—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network with correlation of data from several navigational instruments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
Definitions
- the present invention relates to the field of navigation in a motorized vehicle.
- the present invention also relates to the field of wireless communication of voice and data streams.
- the present invention also relates to the field of distributing data over a digital data network. More particularly, the present invention relates to a means and method of interfacing navigational equipment, such as a Global Positioning System (GPS), and wireless voice and data networks with a wired, digital data network installed in a vehicle so that data from the navigational equipment and wireless networks can be distributed and used by devices on the in-vehicle network.
- GPS Global Positioning System
- GPS Global Positioning Systems
- a GPS unit can define its location in terms of latitude and longitude anywhere in the world.
- GPS units are commonly used in motorized vehicles: cars, trucks, buses, boats, ships, aircraft, etc. With the information from an on-board GPS unit, and a review of how that information changes over time, a vehicle's direction or heading, velocity and other parameters can be determined. Additionally, other navigational equipment can be used to supplement the data generated by a GPS unit.
- GPS units are also often integrated with an electronic mapping system.
- the mapping system may include a display device on which a map of the user's locality is displayed. With the GPS data, the position of the user or the user's vehicle can be illustrated on the displayed map to assist a user in finding his or her way to a destination that is also mapped.
- the mapping system may also be able to generate directions or prompts based on a designated destination and the user's current location as identified by the GPS data.
- Wireless telephones operate by transmitting radio frequency (RF) signals between the user's handset unit and a network of base stations distributed throughout a service area.
- RF radio frequency
- These wireless networks sometimes referred to as Wireless Wide-Area Networks (WWANs) can be used to transmit data as well as voice to and from the user's location.
- WWANs Wireless Wide-Area Networks
- WLANs Wireless Local-Area Networks
- WLANs may exist, for example, in a particular building, among a complex of buildings, in a particular neighborhood or business district, etc.
- WLANs can also be used for carrying data, including voice data, to and from a user's registered wireless device.
- WPAN Wireless Personal Area Network
- These networks can connect cellphones, headphones, personal digital assistants and other information devices over a limited range.
- GPS and other navigational equipment help a user to constantly identify his or her position and navigate to a desired destination
- wireless networks and the devices that communicate with those networks allow the user to remain in voice and data communication while traveling. Consequently, a natural environment for the use of both GPS and wireless communications is in a user's vehicle.
- the present invention meets the above-described needs and others. Specifically, the present invention provides an improved means and method of integrating GPS and wireless communication systems with the systems of a user's vehicle so as to make the GPS and wireless communication systems more readily and safely accessible to the vehicle operator during travel.
- the present invention may be embodied and described as a navigational system for a vehicle having: a GPS receiver; a digital data network installed in the vehicle; and a network interface connecting the GPS receiver and the digital data network.
- the GPS receiver outputs navigational data on the digital data network.
- the present invention may provide a wireless communication system for a vehicle having: a wireless network stage with an antenna for communicating with a wireless network that has a service area in which the vehicle is located; a digital data network installed in the vehicle; and a digital network interface connecting the wireless network stage to the digital data network so that data received via the wireless network stage can be transmitted over the digital data network and data from the digital data network can be transmitted to the wireless network via the wireless network stage.
- the present invention also encompasses an embodiment that combines these two systems.
- the present invention may be embodied as a navigational and communications system for a vehicle having: a GPS receiver; a wireless network stage with an antenna for communicating with a wireless network that has a service area in which the vehicle is located; a digital data network installed in the vehicle; and a digital network interface connecting the wireless network stage and the GPS receiver to the digital data network.
- Data received via the wireless network stage can be transmitted over the digital data network and data from the digital data network can be transmitted to the wireless network via the wireless network stage.
- the GPS receiver also outputs navigational data on the digital data network.
- the present invention also encompasses the methods of making and operating the systems that embody the present invention.
- the present invention encompasses a method of providing navigational data in a vehicle by connecting a GPS receiver through a network interface to a digital data network installed in the vehicle such that the GPS receiver will output navigational data on the digital data network.
- the present invention also encompasses a method of providing wireless communications in a vehicle by providing a wireless network stage for communicating with a wireless network that has a service area in which the vehicle is located; and providing a connection between the wireless network stage and a digital data network installed in the vehicle.
- the present invention encompasses a method of providing wireless communications between devices inside the vehicle, and providing a connection between the wireless network stage and a digital network installed in the vehicle.
- the present invention also encompasses a method of providing navigational and communication systems for a vehicle by connecting a GPS receiver through a network interface to a digital data network installed in the vehicle such that the GPS receiver will output navigational data on the digital data network; providing a wireless network stage for communicating with a wireless network that has a service area in which the vehicle is located; and providing a connection between the wireless network stage and the digital data network installed in the vehicle.
- Fig. I is an illustration of an exemplary vehicle with a digital data network installed on-board as contemplated by the principles of the present invention.
- Fig. 2 is a block diagram of an antenna farm for a GPS receiver and wireless network transceivers that may be connected to an in-vehicle data network according to the principles of the present invention.
- Fig. 2a is a flowchart outlining the operation for processing navigational data from the GPS receiver and inertial sensor of Fig. 2.
- Fig. 2a may also be considered as a software diagram for some of the programming run by the micro-controller of Fig. 2.
- Fig. 2b is a flowchart outlining the operation for updating the correction factor applied to the data from the inertial sensor of Fig. 2 based on the location of the vehicle.
- Fig. 2b may also be considered as a software diagram for some of the programming run by the micro-controller of Fig. 2.
- Fig. 3 is a more detailed diagram of the GPS receiver and supporting systems illustrated in Fig. 2.
- Fig. 4 is a block diagram illustrating the use of navigational data and wireless communications generated by the antenna farm of Fig. 2 by networked devices distributed throughout a vehicle.
- the present invention provides an improved means and method of integrating GPS and wireless communication systems with the systems of a user's vehicle so as to make the GPS and wireless communication systems more readily and safely accessible to the vehicle operator during travel.
- GPS and data from other navigational equipment is transmitted over a digital data network, preferably a fiber optic network, that is provided in a vehicle for distributing data among the various electronic devices on-board.
- Voice and data streams sent to, and received from, wireless networks operating in the area, e.g., a WWAN, WLAN or WPAN, are also distributed over the fiber optic network for use by various on-board devices.
- Vehicles represent a particular environment in which navigational data, wireless communications and audiovisual programming, for entertainment or information, are frequently desired.
- the present invention contemplates a vehicle (120) that includes an on-board digital data network (100).
- vehicle encompasses all forms of motorized transportation, including, but not limited to, cars, vans, trucks, buses, sport-utility vehicles, airplanes, aircraft, boats, ships and the like.
- the on-board digital data network (100) is a fiber optic network.
- fiber optic networks are robust and capable of carrying large amounts of digital data.
- network refers to a data-bearing link between electronic devices that are connected to the data-bearing link at least two different points.
- data e.g., audiovisual programming data
- the network (100) can be communicated by the network (100) to various parts of the vehicle (120) for use by vehicle passengers.
- one passenger may be watching a television, video monitor or display device (121) that is connected (125) to the data network (100) and receives an appropriate video or audiovisual signal there from.
- another passenger may be listening to an audio program through a set of headphones (122) that are connected (124) to the network (100) and receive an audio signal there from.
- the network (100) can carry digital data in any format. Consequently, the network (100) maybe carrying, for example, a DVD audiovisual data stream; and/or an MPEG-1, MPEG-2 or MPEG-4 audiovisual data stream; and/or a Motion JPEG or Video CD (VCD) audiovisual data stream, and/or a CD audio data stream, and/or an MP3 audio data stream, etc.
- the network can also carry multiple data streams simultaneously.
- the network will have to carry data in a format useable by the various output devices, or those output devices will have to be connected to the network with an interface that translates the incoming audiovisual data stream into a form useable by that output device.
- audiovisual output device or “output device” refers to any device that renders an audiovisual signal or data stream perceptible, visually or aurally, to a human user. Consequently, output devices include, but are not limited to, speakers, headphones, earpieces, display devices, LCDs, video monitors, televisions, cathode ray tubes, etc.
- Fig. 2 is a block diagram of an antenna farm for a GPS receiver and wireless network transceivers that are interfaced with the in-vehicle data network (100) according to the principles of the present invention.
- the present invention preferably includes an antenna farm (125).
- the antenna farm (125) preferably includes a GPS receiver (113) with an antenna (111).
- this GPS receiver (113) receives transmissions from a number of orbiting satellites via the antenna (111). With the data from these transmissions, the receiver (113) can determine its physical location in the world, usually in terms of longitude and latitude, and, perhaps, altitude.
- the GPS receiver (113) may receive data from 24 satellites circling the Earth. This data is converted to National Marine Electronics Association (NMEA) standard data packets. These data packets are transmitted to an appropriately programmed micro-controller (106) that reads the data and can determine from the data the vehicles' latitude, longitude, heading, speed, etc.
- NMEA National Marine Electronics Association
- this supplementary navigational equipment may be an inertial sensor stage (112).
- the inertial sensor stage (112) may include an altimeter, odometer reading, speedometer reading, gyro, accelerometer, wheel speed/direction sensors, digital compass, etc.
- the digital compass of the inertial sensor obtains vehicle-heading information from a circuit that detects the Earth's magnetic field.
- This heading data is also provided to the GPS receiver or the micro-controller (106) and is used to check or replace the heading data provided by the GPS receiver (113) if the vehicle is moving too slowly for the data from the GPS receiver (113) to provide an accurate vehicle heading indication.
- Fig. 2a illustrates the use of the combined resources of the GPS receiver (113) and the inertial sensor stage (112).
- Fig. 2a may also be considered as a diagram for software or programming run by the micro-controller (106) when utilizing data from the GPS receiver (113) and the inertial sensor stage (112).
- the micro-controller receives data from the GPS receiver (150). With this data, the micro-controller assesses the speed of the vehicle (151). The micro-controller may also receive data from the vehicle speedometer to determine vehicle speed. Below a predetermined speed, the GPS data will be considered as providing an unreliable indication of the vehicle's heading (152).
- the GPS data will be used to determine the vehicle's latitude, longitude, heading, etc. (153). Alternatively, if the speed is low enough to render GPS heading data unreliable, data from the inertial sensor will be used to determine heading (154). The GPS data will be used to determine the vehicle's latitude and longitude (155).
- data from the GPS receiver can also be used to improve the performance of the inertial sensor.
- the GPS receiver can improve the accuracy of the inertial sensor by indicating geographically where the inertial sensor is.
- the inertial sensor in a vehicle is initially calibrated based on where the vehicle is sold. This is done by manually entering a declination zone number for the declination zone in which the vehicle is sold. A correction factor for the inertial sensor is automatically associated with the indicated declination zone.
- the inertial sensor will no longer be properly calibrated and will, therefore, be inaccurate. This inaccuracy can amount to as much as 30 degrees if, for example, the vehicle is driven across the continental United States. Because this need to calibrate the inertial sensor is not well known and is usually performed by sales staff before a vehicle is purchased, the vehicle may be moved into another declination zone, perhaps permanently, without the inertial sensor being properly re-calibrated.
- the GPS receiver (113) can always determine its latitude and longitude. This will also indicate in which declination zone the GPS receiver (113), and the inertial sensor (112), are located.
- Fig. 2b illustrates this use of the GPS data to calibrate the inertial sensor stage (112).
- Fig. 2b may also be considered as a diagram for software or programming run by the micro-controller (106) when utilizing data from the GPS receiver (113) and the inertial sensor stage (112).
- the micro-controller receives data from the GPS receiver (160).
- the GPS data specifies or is used to determine the latitude and longitude of the vehicle (161). It can then be determined if the vehicle has moved from the original declination zone into another (162). If no such movement has occurred, the current calibration or correction factor for the inertial sensor is maintained (163).
- a new correction factor for the inertial sensor is identified (164). This may be done through a look-up table available to the micro-controller or other means. This new correction factor is then applied to the data output by the inertial sensor (165) to obtain an accurate vehicle heading.
- the micro-controller (106) can make that information available to other devices over the digital network (100).
- the navigational data (127) can be transmitted from the micro-controller (106) to the data format stage (107) where the data is formatted for transmission over the network (100) and for use by other networked devices.
- the micro-controller (106) then sends a control signal (105) to the network interface stage (101).
- the network interface stage (101) also receives the formatted navigational data (103) from the data format stage (107).
- the network interface stage (101) then transmits that formatted navigational data over the in-vehicle data network (100).
- the network (100) is a fiber optic network.
- the network interface stage (101) includes an optical transceiver.
- the interface (101) then transmits and receives optical data signals, including sending the navigational data over the network (100) for use by other networked devices.
- the use of the navigational data by other networked devices will be explained below in more detail in connection with Fig. 4.
- the micro-controller (106), the data format stage (107) and the network interface stage (101) are preferably all provided on a common processor board (126).
- This board (126) is considered part of, and supports, the antenna farm (125).
- the antenna farm (125) also preferably includes the ability to communicate with a wireless personal area network (WPAN), a wireless local area network (WLAN), and a wireless wide area network (WWAN).
- WPAN wireless personal area network
- WLAN wireless local area network
- WWAN wireless wide area network
- the antenna farm (125) preferably includes an antenna (130) connected to a WPAN stage (132), an antenna (109) connected to a WLAN stage (115) and another antenna (110) connected to a WWAN stage (114).
- the multiple device stages may be able to use some common components if possible.
- WWANs include the well-known infrastructures by which wireless phones transmit voice and data.
- WWANs include, but are not limited to, GSM, GPRS, SMS, TDMA, CDMA, WCDMA, CDMA2000, CDPD, AMPS, EDGE, SMS, PCS and other networks.
- a WWAN can be analog, digital, narrow band, wide band, voice, packet data, message data, etc.
- WLANs usually cover a smaller service area than a WWAN, but can also carry both data and voice communications.
- Examples of WLANs include, but are not limited to, IEEE 802.11, HomeRF, HiperLAN and other networks.
- WPANs usually cover a smaller service area than a WLAN, but can also carry voice and data communications. Examples of WPANs include, but are not limited to, 802.15, Bluetooth, and other networks. Consequently, the WLAN stage (115) may output both a data stream (116) and a voice stream (117). Similarly, the WWAN stage (114) may also output a data stream (119) and a voice stream (118). Also, the WPAN stage (132) may output a data stream (134) and a voice stream (136).
- the voice streams (117, 118) from the WWAN stage (114), WPAN stage (132) and the WLAN stage (115) are typically received as analog signals are therefore sent to an analog-to-digital converter (108).
- This converter (108) may also be referred to as an audio CODEC stage.
- the converter or CODEC (108) renders these signals (118, 117) as a digital voice stream (102).
- the digital voice data stream (102) is sent to the network interface stage (101) for transmission on the in-vehicle network (100).
- This link is also two-way.
- digital voice data may be transmitted over the network (100) from a microphone interfaced with the network (100).
- This incoming voice data stream is sent (102) to the converter (108) where it is converted into an analog audio signal (118, 117).
- the analog audio signal (118, 117) can then be sent to either the WWAN stage (114), WLAN stage (115), or the WPAN stage (132) for transmission to the respective WWAN, WLAN or WPAN operating the service area where the vehicle is located.
- the WWAN, WLAN and WPAN can also be used for data communications.
- a data signal (119, 116) is received by the WWAN stage (114), WLAN stage (115), or WPAN stage (132), that data signal (119, 116, 134) is sent to the data format stage (107) where it is formatted for transmission over the network (100).
- the formatted data (103) is output by the data format stage (107) to the network interface stage (101) for transmission over the network (100).
- Digital data may be transmitted to the antenna farm (125) over the network (100).
- the data is received by the network interface stage (101) and then provided to the data format stage (107). From the data format stage (107) the data can be sent (119, 116) to the WWAN stage (114), the WLAN stage (115), or the WPAN stage (132) for wireless transmission to either or both of those networks.
- Fig. 3 is a more detailed diagram of the GPS receiver and supporting systems illustrated in Fig. 2.
- the antenna (111) is connected through an antenna connector (111a) to the GPS receiver stage (113).
- the GPS receiver stage (113) receives the satellite transmissions that enable the GPS receiver stage (113) to generate navigational data.
- the GPS receiver stage (113) is connected to the antenna farm system through a connector (113a), preferably a 20-pin connector as shown in Fig. 3.
- the GPS Module powers up in NMEA protocol, 4800,N,8,1.
- the inertial sensor of the antenna farm may, in the specific example of Fig. 3, be a digital compass (112a).
- a connector (112b), preferably a 4-pin connector (112b) as shown in Fig. 3 connects the digital compass (112a) to the antenna farm system.
- the antenna farm system is controlled by the micro-controller (106).
- the antenna farm system is interfaced with the in-vehicle data network (100) through the network interface stage (101).
- the network interface stage will include a fiber optic transceiver (204).
- Hardware jumpers on the board in the form of zero ohm resistors may be used to make the connection from the GPS system to the fiber optic transceiver (204).
- a power circuit (203) is also provided to power the various components of the GPS receiver stage and supporting electronics as shown in Fig. 3.
- the power supply is preferably 5.0V +/-2% (4.9V to 5.1V).
- Battery backup (VBAT) of 1.8V to 3.8V 10uA may also be provided.
- a transceiver (200) supporting two serial ports (201, 202) may be integrated into the GPS system illustrated in Fig. 3. Standard headers may be used for all power and serial ports.
- Fig. 4 is a block diagram illustrating the distribution of navigational data generated by the GPS and inertial sensor systems to networked devices distributed throughout a vehicle. Fig. 4 also illustrates how wireless communications are provided via the antenna farm to and from various networked devices distributed throughout the vehicle.
- the antenna farm (125) provides, among other things, navigational data from the GPS and inertial sensor systems.
- This navigational data is transmitted over the in-vehicle data network (100) for use by other networked devices.
- this navigational data may be taken from the network by a network interface (101a) for display on a display device (300).
- This display device (300) may display basic navigational data or may combine the navigational data with an interactive map of the area in which the vehicle is located.
- the navigational data may be taken from the network (100) through the same or another network interface (101b) for display by the vehicle's instrument panel (301).
- vehicle instrument panels (301) include a compass reading and other navigational data that can be displayed based on the navigational data provided over the network (100) from the antenna farm (125). Data can also be displayed in mirrors, visors, etc.
- the antenna farm (125) can also provide two-way wireless communications with an area WWAN, WLAN or WPAN,
- a data stream received from a WWAN, WLAN or WPAN can be received by the antenna farm (125) and distributed over the network (100).
- the display device (300) may then obtain this data from the network (100) through an interface (101a) and display the data for a user.
- this data stream may be a connection to the Internet and the user may view a web page or an e-mail with the display device (300).
- a user input device (303) is preferably associated with the display device (300).
- the user input device (303) may be a touch-screen on the display device (300), a keyboard or keypad, or any other device that allows a user to input commands or data.
- the user can input data, such as a request for another web page at another URL or a reply to an e-mail message.
- This data is then transmitted to the network (100) through the interface (101a).
- the outgoing data is then received by the antenna farm (125) through the interface (101) and transmitted to the WWAN or WLAN with which the user is communicating.
- a speaker (302) may be connected to the network (100) through a network interface (101c).
- a digital audio signal can be taken from the network (100) by the interface (101c) and rendered audible by the speaker (302).
- This digital audio signal could be a voice transmission, e.g., a wireless telephone call, coming in through the WLAN or WWAN stages of the antenna farm (125).
- this audio signal could be audio or audiovisual programming produced by, for example, a CD audio player or a radio tuner connected to the network (100).
- the speaker (302) can serve many purposes within the network.
- a microphone (304) may be connected to the network (100) through a network interface (101d). This microphone (304) can transduce the speech of a user to generate a voice data stream that is transmitted over the network (100) to the antenna farm (125) for transmission via the WWAN or WLAN stages.
- a user can conduct a wireless telephone call through the antenna farm (125) of the present invention.
- this maybe a hands-free system for conducting such a phone call.
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
- Navigation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US11171 | 1987-02-05 | ||
US10/011,171 US6684157B2 (en) | 2001-12-06 | 2001-12-06 | Method and system for interfacing a global positioning system, other navigational equipment and wireless networks with a digital data network |
Publications (2)
Publication Number | Publication Date |
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EP1318381A2 true EP1318381A2 (fr) | 2003-06-11 |
EP1318381A3 EP1318381A3 (fr) | 2006-07-12 |
Family
ID=21749165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02258445A Withdrawn EP1318381A3 (fr) | 2001-12-06 | 2002-12-06 | Procédé et dispositif d'interface pour un GPS, autre équipement de navigation et un réseau sans fil employant un réseau de données numériques |
Country Status (3)
Country | Link |
---|---|
US (1) | US6684157B2 (fr) |
EP (1) | EP1318381A3 (fr) |
JP (1) | JP2003227733A (fr) |
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WO2007148247A1 (fr) * | 2006-06-21 | 2007-12-27 | Nxp B.V. | DÉtecteur de champ magnÉtique |
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RU2805886C1 (ru) * | 2023-05-26 | 2023-10-24 | Общество с ограниченной ответственностью "Информационные технологии и системы" | Способ мониторинга динамических параметров движения ледокола и ведомого судна |
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JP3867628B2 (ja) * | 2002-06-28 | 2007-01-10 | 日本電気株式会社 | 情報端末と通信可能な携帯通信端末及び異種ネットワークにおける携帯通信端末の制御プロトコル変換方法 |
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JP4139261B2 (ja) * | 2003-04-09 | 2008-08-27 | 矢崎総業株式会社 | フロント電装システム、フロント電装システム用電子制御ユニット及び電装コネクタ |
US20050076147A1 (en) * | 2003-09-24 | 2005-04-07 | Blake Michael E. | NMEA 0183 sentence transporter over ethernet |
US8027349B2 (en) * | 2003-09-25 | 2011-09-27 | Roy-G-Biv Corporation | Database event driven motion systems |
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WO2014004063A1 (fr) * | 2012-06-29 | 2014-01-03 | Symbol Technologies, Inc. | Procédés et appareil pour ajuster une direction d'avancement dans un système de navigation |
US9194702B2 (en) | 2012-06-29 | 2015-11-24 | Symbol Technologies, Llc | Methods and apparatus for adjusting heading direction in a navigation system |
USRE47674E1 (en) | 2012-06-29 | 2019-10-29 | Symbol Technologies, Llc | Methods and apparatus for adjusting heading direction in a navigation system |
RU2805886C1 (ru) * | 2023-05-26 | 2023-10-24 | Общество с ограниченной ответственностью "Информационные технологии и системы" | Способ мониторинга динамических параметров движения ледокола и ведомого судна |
Also Published As
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US6684157B2 (en) | 2004-01-27 |
JP2003227733A (ja) | 2003-08-15 |
EP1318381A3 (fr) | 2006-07-12 |
US20030109987A1 (en) | 2003-06-12 |
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